MicroOptics Fabrication（MicroOptics制造）.pdfVIP

Micro-Optics Fabrication by Ink-Jet Printing W. ROYALL COX,TING CHEN, and DONALD J. HAYES 32 Optics Photonics News June 2001 1047-6938/01/06/0032/4-$0015.00 © Optical Society of America MICRO-OPTICS FABRICATION ith hand assembly currently graphic exposure in Fig. 2 by the clarity of constituting a major portion of the superimposed images of 2000 droplets, W the costs of manufacturing using stroboscopic illumination at the many optoelectronic components, devices droplet generation frequency. and systems, process automation and in- tegration will become increasingly impor- Printed micro-optical elements tant factors in the competition for world- Arrays of refractive microlenses with cir- wide market share. The ink-jet printing cular substrate footprint are fabricated by method of micro-optics fabrication ad- printing the number of droplets required dresses these factors because it is a fully for the lenslet volume at predetermined automated, data-driven process with locations on a target substrate. Micro- which micro-optics may be written direct- lenses ranging in diameter from 20 m ly onto optical substrates and components to 5 mm have been fabricated by this such as diode lasers, optical fibers and method. Substrate surface treatment waveguides. 1,2 As a low-cost, additive processes enable control of microlens process capable of dispensing volumes as spacing and diameter within an array to Figure 1. Schematic of drop-on-demand ink- low